<?php
class SP_Common_Session
{
	protected static $sesion_var_name=_SP_SESSION_VARS_;
	
	public static function setSessionVarName($name);
	{
		self::$sesion_var_name=$name;
	}
	
	public static function set($name,$value);
	{
		$_SESSION[self::$sesion_var_name][$name]=$value;
	}
	
	public static function has($name);
	{
		return array_key_exists($name, $_SESSION[self::$sesion_var_name]);
	}
	
	public static function get($name,$value=null);
	{
		return self::has($name)? $_SESSION[self::$sesion_var_name][$name] : $value;
	}
	
	
}